Triplet lifetime in gaseous argon. / Akashi-Ronquest, Michael; Bacon, Amanda; Benson, Christopher; Bhattacharya, Kolahal; Caldwell, Thomas; Formaggio, Joseph A.; Gastler, Dan; Grado-White, Brianna; Griego, Jeff; Gold, Michael; Hime, Andrew; Jackson, Christopher M.; Jaditz, Stephen; Kachulis, Chris; Kearns, Edward; Klein, Joshua R.; Ledesma, Antonio; Linden, Steve; Lopez, Frank; MacMullin, Sean; Mastbaum, Andrew; Monroe, Jocelyn; Nikkel, James; Oertel, John; Gann, Gabriel D. Orebi; Ortega, Gabriel S.; Palladino, Kimberley; Rielage, Keith; Seibert, Stanley R.; Wang, Jui-Jen.
In: The European Physical Journal A, Vol. 55, 176, 10.2019, p. 1-11.Research output: Contribution to journal › Article
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Accepted author manuscript, 3.77 MB, PDF document
Abstract
MiniCLEAN is a single-phase liquid argon dark matter experiment. During the initial cooling phase, impurities within the cold gas (<140 K) were monitored by measuring the scintillation light triplet lifetime, and ultimately a triplet lifetime of 3.480 ± 0.001 (stat.) ± 0.064 (sys.) µs was obtained, indicating ultra-pure argon. This is the longest argon triplet time constant ever reported. The effect of quenching of separate components of the scintillation light is also investigated.
| Original language | English |
|---|---|
| Article number | 176 |
| Pages (from-to) | 1-11 |
| Number of pages | 11 |
| Journal | The European Physical Journal A |
| Volume | 55 |
| Early online date | 16 Oct 2019 |
| DOIs | |
| Publication status | Published - Oct 2019 |
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